De or het propaganda-afdeling?

The correct Dutch article is:

de propaganda-afdeling

Rule Words ending in -ing: almost always de. See the rule

How to use propaganda-afdeling

the propaganda-afdelingde propaganda-afdeling
this propaganda-afdelingdeze propaganda-afdeling
that propaganda-afdelingdie propaganda-afdeling
our propaganda-afdelingonze propaganda-afdeling
your propaganda-afdelingjouw propaganda-afdeling
every propaganda-afdelingelke propaganda-afdeling
which propaganda-afdeling?welke propaganda-afdeling?
a big propaganda-afdeling / the big propaganda-afdelingeen grote propaganda-afdeling, de grote propaganda-afdeling